The height of bird migration

01 January 1960
Comments Main paper M I G R A T I N G B I R D S cannot be seen when they are high above the ground by day, even with military optical equipment (Sutter 1950), and means have not yet been found for accurately assessing the height of night-migrants seen by telescope against th...
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Editorial

01 January 1960
Comments Editorials I T I S N O W N I N E YEARS since the early loss of Bernard Tucker, so soon after he had succeeded Harry Witherby in the editorship, faced British Birds with the most severe crisis of its existence. The editorial continuity, so vital for the maintenance o...
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